BIAS CORRECTION OF VARIOGRAM PARAMETERS ESTIMATES BY SEPARATE BLOCK BOOTSTRAP METHOD FOR SPATIAL PREDICTION

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MOHAMMADZADEH M.; IRANPANAH N.A.; AFSHAR SAMANEH

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Journal: SHAHID CHAMRAN UNIVERSITY JOURNAL OF SCIENCE Year:2008 | Volume:NEW SERIES | Issue:18 (SECTION A) Page(s): 46-52

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Title

BIAS CORRECTION OF VARIOGRAM PARAMETERS ESTIMATES BY SEPARATE BLOCK BOOTSTRAP METHOD FOR SPATIAL PREDICTION

Author(s)

MOHAMMADZADEH M. | IRANPANAH N.A. | AFSHAR SAMANEH | Issue Writer Certificate

Keywords

SPATIAL DATAQ3

VARIOGRAMQ3

PRECISION MEASUREQ3

SEPARATE BLOCK BOOTSTRAPQ3

Abstract

In spatial analysis, the VARIOGRAM function that determines the spatial correlation structure of the data is usually unknown and it should be estimated by observations. Although there are several estimation methods for VARIOGRAM parameters, limited number of observations produces in much uncertainty in VARIOGRAM parameter estimates and finally non-precision of the spatial prediction. In this paper, PRECISION MEASUREs of the weighted least squares estimates of VARIOGRAM parameters are determined by SEPARATE BLOCK BOOTSTRAP method. Next, these estimates are corrected using PRECISION MEASUREs. Then, it is shown by cross-validation method that using a VARIOGRAM with corrected parameter estimates with result in increasing spatial prediction precision.

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APA: Copy

MOHAMMADZADEH, M., IRANPANAH, N.A., & AFSHAR, SAMANEH. (2008). BIAS CORRECTION OF VARIOGRAM PARAMETERS ESTIMATES BY SEPARATE BLOCK BOOTSTRAP METHOD FOR SPATIAL PREDICTION. SHAHID CHAMRAN UNIVERSITY JOURNAL OF SCIENCE, NEW SERIES(18 (SECTION A)), 46-52. SID. https://sid.ir/paper/58046/en

Vancouver: Copy

MOHAMMADZADEH M., IRANPANAH N.A., AFSHAR SAMANEH. BIAS CORRECTION OF VARIOGRAM PARAMETERS ESTIMATES BY SEPARATE BLOCK BOOTSTRAP METHOD FOR SPATIAL PREDICTION. SHAHID CHAMRAN UNIVERSITY JOURNAL OF SCIENCE[Internet]. 2008;NEW SERIES(18 (SECTION A)):46-52. Available from: https://sid.ir/paper/58046/en

IEEE: Copy

M. MOHAMMADZADEH, N.A. IRANPANAH, and SAMANEH AFSHAR, “BIAS CORRECTION OF VARIOGRAM PARAMETERS ESTIMATES BY SEPARATE BLOCK BOOTSTRAP METHOD FOR SPATIAL PREDICTION,” SHAHID CHAMRAN UNIVERSITY JOURNAL OF SCIENCE, vol. NEW SERIES, no. 18 (SECTION A), pp. 46–52, 2008, [Online]. Available: https://sid.ir/paper/58046/en

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